I have a crawlspace with a horizontal furnace -> coil placement. The coil needs
to be replaced, but the tech cannot find any on the market the same size (the
coil is an A-type, 20 yrs old).
Current Config: Horizontal
Return -> Filter -> Furnace -> 90 degree Bend -> A Coil
(Link to Image of Config: http://prntscr.com/1arrck )
I had one tech come in and say that he can alter the configuration to be
Return -> Filter -> Flat Coil -> Furnace -> 90 degree bend
(Link to Image of New Config: http://prntscr.com/1arrnx )
So, my question is: Will this new config cause problems? I've read a couple
conflicting statements like:
"The evaporator coil must be installed in the discharge
(supply) air of a gas or oil furnace. Do not install an
evaporator coil in the return air, or excessive condensation
will occur within the furnace."
Then the second image was taken from a site that recommends the new setup for
better "thermodynamics" of pulling moisture from the air via a "pull-through"
Any help would be appreciated. I've gotten two quotes for fixing my unit:
1. Pull-through - $900
2. Full replacement of furnace + coil (bc they can't fit a coil after furnace) -